查询词典 atom model

In particular, we discuss the distinct difference between the spectra of one-atom and two-atom mazers.

对单原子情况我们分别计算了热原子与超冷原子两种极限情况，并进行了比较和讨论。

According to these results we discuss the approximate analytical expressions for the spectra of one-atom and two-atom mazers, respectively.

首先，我们建立了多原子微激射器模型，推导出了腔场主方程和光谱的本征值表示，并且在超冷原子极限下对单原子与二原子情况作了解析讨论，从理论上分析了它们之间差异。

Predicted frequencies of the metal-bound CO,QM/MM-optimized geometries,and calculated redox potentials of the FeMocofactor with different central ligands show that the oxygen atom is the candidatefor the interstitial atom.

5预测了CO脱氢酶活性簇不同氧化-还原态C_(red1，C_(red2)和C_的结构特征和酶催化CO氧化成CO_2的反应机理。

Predicted frequencies of the metal-bound CO,QM/MM-optimized geometries,and calculated redox potentials of the FeMocofactor with different central ligands show that the oxygen atom is the candidatefor the interstitial atom.

计算表明，C簇周围的氢键网络主要由保守残基His93，His96，Glu299，Lys563和四个水分子组成，该氢键网络在稳定中间体和调控质子转移的过程中，起着重要的作用。

Our article mainly discussed the preparation of entangled states and the application of entangled states in quantum communication, including practical scheme for remote state preparation of a photon-photon entangled state, generation and concentration of multi-atom entangled states, practical protocol for telecloning quantum states and protocol for multi-party superdense coding by using multi-atom in cavity QED.This article has several objectives.

本文主要研究了量子纠缠态的制备及纠缠态在量子通信中的应用，包括远程制备光子-光子纠缠态，产生和浓缩多原子纠缠态，利用纠缠态进行远程克隆以及通过腔QED实现多组份密集编码的方案。

A formula contains the symbols of the kinds of atom in the each molecule and subscripts that indicate the number of each kind of atom in the molecule.

分子式中含有原子符号，下标的数字表示分子中每种原子的数量。

It shows that the field entropy is oscillating, which is the result of the correlation property between the atom and field. With the increase of the initial field intensity, which is the initial mean photon number the oscillation becomes irregularly and the amplitude decreases. The atom and the field couples tighter, and the disorder parameter decreases.

结果表明，场熵的演化是振荡的，这源于光场与原子之间关联的振荡性；随着初始光场强度的增大，光场的振荡变得不规则，振荡幅度明显减小，这是因为光场与原子之间的耦合越来越强，系统的无序度降低，而双模光场使系统的场熵演化周期性减弱，场熵的均值增大。

The steady and 1st order velocity dependent vector solutions of forces for two level atom are obtained. The solutions are applied to TEM01 laser beam and analysis shows that it exists vortex force acting on the atom.

推导了两能级原子在稳态和小速度一阶微扰近似下的受力矢量方程，并分析表明TEM*01模光场对原子的作用力中存在旋涡力。

Under an appropriate condition, the squeezed vacuum field can trap the two atoms inri.An analytical expression of emission spectrum for three-level atom interacted with two-mode cavity field is given. The effects of the initial state of system on the emission spectrum for three-level atom are explored.

我们给出了好腔中与双模腔场相互作用的三能级原子发射谱的一般表达式，探讨了系统初态对三能级原子发射谱的影响，阐明了只有原子和双模驱动场初始时刻均处于相干叠加态，原子不同跃迁通道间的量子干涉才使得原子发射谱呈现相位敏感性。

In chapter 7 the photoassociation process inside an optical lattice is investigated. A scheme of controling the atom-molecule transformation process by sweeping the Raman laser frequency is proposed. With this scheme, the atom-molecule superposition state and coherent molecular output can be obtained.

在第七章，我们会考察光学晶格上的光子离解过程，并提出利用激光扫频的方法对光学晶格上的原子一分子相互转换过程进行控制，以得到稳定的原子一分子叠加态并实现分子相干输出的方案。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。